Breathing gear sold the most expensive in the world

How much for the world's most expensive gear? Worth about 56 250 U.S. dollars (USD 510 million). Owner of the tooth that is a Tyrannosaurus rex. Bonham's auction house said last weekend, dinosaur tooth discovered last summer in Garfield County was also the biggest teeth ever found. From baseline to peak, the tooth has a length of about 13 centimeters. Before the auction, the price is